Establishing limitations on detached accessory dwelling units outside of urban growth areas.
Last action: 2026-03-27 — Effective date 6/11/2026.
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Official Description
Establishing limitations on detached accessory dwelling units outside of urban growth areas.
Bill Details
- Bill Number
- HB 1345
- Current Status
- Passed
- Sponsors
- Sam Low, Strom Peterson, Steve Tharinger, Greg Nance, Mia Gregerson
- Introduced
- 2025-01-16
- Chamber
- House
Floor Votes
| Date | Chamber | Motion | Result | Democrats | Republicans |
|---|---|---|---|---|---|
| 2026-01-22 | House | 3rd Reading & Final PassageEHB 1345 | Passed 86-5 7 not voting | 54 yes / 0 no | 32 yes / 5 no |
| 2026-03-03 | Senate | 3rd Reading & Final PassageEHB 1345 | Passed 33-15 1 not voting | 28 yes / 0 no | 4 yes / 15 no |
Official roll calls from the Washington State Legislature. See each legislator's page for how they voted.
Bill History
- 2026-02-19 Passed to Rules Committee for second reading.
- 2026-02-24 Placed on second reading by Rules Committee.
- 2026-03-03 Rules suspended. Placed on Third Reading.
- 2026-03-03 Third reading, passed; yeas, 33; nays, 15; absent, 0; excused, 1.
- 2026-03-04 Speaker signed.
- 2026-03-04 President signed.
- 2026-03-06 Delivered to Governor.
- 2026-03-27 Governor signed.
- 2026-03-27 Chapter 231, 2026 Laws.
- 2026-03-27 Effective date 6/11/2026.
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